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Scattering in plane-wave backgrounds: infrared effects and pole structure
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2013 (English)In: Physical Review D, ISSN 1550-7998, E-ISSN 1550-2368, Vol. 87, no 8, 085040Article in journal (Refereed) Published
Abstract [en]

We consider two aspects of scattering in strong plane-wave backgrounds. First, we show that the infrared divergences in elastic scattering depend on the structure of the background, but can be removed using the usual Bloch-Nordsieck approach. Second, we analyze the infinite series of shifted-mass-shell poles in the particle (Volkov) propagator using lightfront quantization. The complete series of poles is shown to describe a single, on-shell, propagating particle.

Place, publisher, year, edition, pages
American Physical Society , 2013. Vol. 87, no 8, 085040
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:umu:diva-104235DOI: 10.1103/PhysRevD.87.085040ISI: 000318185900005OAI: oai:DiVA.org:umu-104235DiVA: diva2:820067
Available from: 2015-06-11 Created: 2015-06-09 Last updated: 2017-12-04Bibliographically approved

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Ilderton, AntonTorgrimsson, Greger
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